Best internet security & wifi limited access prob...?

I will start of with your limited wifi, im guessing that means you still have a local connection to your router. First of all connect to your local router settings, best way to connect in typing either 192.168.1.1 or 192.168.0.1 in a web browser. you will then have to put in your routers user name and password. PLEASE NOTE THIS IS NOT THE SAME AS THE ONE FOR YOUR WIFI. if you haven't changed it the default will be something like admin and password , if not you will just have to good or/read the book etc. when your on your local page, depending on the router and the make, you will have navigate the pages to find the connection status. This data will tell you if your router is connected, how long, the speeds, etc. As for security, I like both Norton 360, Kapersky pure and I also like SOPHOS. All of the above are good anti virus but I would say if you can afford SOPHOS then get it, its an industrial strength antivirus. However I would say you should just pick the one which ticks the boxes you need. For me I need really good ones so that I can secure all my computers, network and server however for most common people you don't need them as strong as I use. just pick whichever you feel best with.

1. download "trend Micro" it pwns every thing else. 2. about your laptop, you should try system restore and restore it to a date when the interwebs was working just fine.